JVC RV-NB10BB, Service Manual

Page: 54 / 103

2-21
Mixing mic section (for J,C)
1 8 0 K
R 7 3 5 1
Q N S 0 1 4 8 - 0 0 1
J 7 3 5 1
4
2
1
3
2 S C 3 9 2 8 A / R S / - X
Q 7 3 5 2
U N 2 1 1 2
Q 7 3 5 5
2 S C 3 9 2 8 A / R S / - X
Q 7 3 5 4
N J M 4 5 6 5 M - W E
I C 7 5 1
8 7 6 5
4 3 2 1
1K
R7387
2 S C 3 9 2 8 A / R S / - X
Q 7 3 5 6
1 S S 1 3 3 - T 2
D 7 3 5 7
1 S S 1 3 3 - T 2
D 7 3 5 8
1 0 K
R 7 3 8 8
1 S S 1 3 3 - T 2
D 7 3 5 9
D T C 1 1 5 E K A - X
Q 7 3 6 0
0.1/50 C7370
8 2 K
R 7 3 5 2
3 9 K
R 7 3 5 3
1 / 5 0
C 7 3 5 4
0.33/50
C7353
0.1/50 C7351
1/50 C7355
10/50 C7358
3 3 0 P
C 7 3 5 2
56K
R7355
V R 7 3 1
31
2
2 S C 3 9 2 8 A / R S / - X
Q 7 3 5 1
4.7K R7356
10K
R7358
33K
R7386
15K
R7354
10K
R7357
V R 7 3 1
Q V Q 0 2 8 7 - B 2 4
6 5 4
7 8 9
U N 2 1 1 2 - X
Q 7 3 5 3
2 7 K
R 7 3 6 0
22K
R7359
2 2 0 K
R 7 3 6 2
6 8 P
C 7 3 5 7
4 7 / 2 5
C 7 3 5 6
100
R7361 1/4W
1.8K
R7366
0.068 C7359
1.2K
R7365
1 0 K
R 7 3 6 7
2 S C 3 9 2 8 A / R S
Q 7 3 5 7
100
R7368
1 0 0
R 7 3
68K
R7370
47/25
C7360
R7369
N I
C 7 3 6 9
NI
C7381
NI
C7382
M I C / G U I T A R J A C K
M I C / G U I T A R
( W I T H S W )
M I C / G U I T A
E Q S W
A M P
M I C / G U I T A R G A I N C T L
VCC
GND
+
-
+
-
C O N S T R U C T I O N
P A R T S
N A M E
2 2 K
U N 2 1 1 2 - X
2 2 K
V O L U M E
0 V
0 . 3 V
0 V
( ) I S G U I T A R P O S I T I O N A N D N O R M A L I S M I C P O S I T I O N
9 . 0 V
0 V
0 V 0 V
0 V
0 V
0 V
0 V ( 0 . 7 V )
4.6V
4.6V
4.6V
4.6V 4.6V
4.6V
8.9V
0V
MIC
GUITAR
0 V
0 V
0 V
0 V
9 . 2 V ( 0 V )
0 . 7 V
0 . 7 V
( 0 V )
( 0 V )
9 . 2 V
9
0 V ( 9 . 2 V )
9 . 2 V ( 0 V )
0 V ( 9 . 2 V )
0 V
NOTES
1 . V O L T A G E S A R E D C - M E A S U R E D W I T H A D I G I T A L V O L T M E T E R
C O N D I T I O N - - - C D S T O P A T A C S U P P L Y
2 . U N L E S S O T H E R W I S E S P E C I F I E D R E S I S T O R S A R E 1 / 1 6 W 5 % M G R E S I S T O R
A L L I N D U C T A N C E V A L U E S A R E I N H ( m = m H ) .
A L L C A P A C I T O R S A R E C E R A M I C C A P A C I T O R O R M Y L A R C A P A C I T O R .
A L L R E S I S T A N C E V A L U E S A R E I N O H M ( ) .
A L L C A P A C I T A N C E V A L U E S A R E I N F ( P = p F ) .
A L L E . C A P A C I T O R S A R E S H O W N I N T H E F O R M O F C A P A C I T A N C E ( F ) / R A T E D V O L T A G E ( V ) .
O R O S C I L L O S C O P E W I T H O U T I N P U T S I G N A L .
2 0 K